The SCDS4D28T-4R7T-S-N is a shielded power inductor manufactured by Chilisin. It's specifically designed for DC-DC converter applications, offering a balance of compact size and high performance. The inductor features a composite core material to deliver high saturation current and low core loss.

Applications

• DC-DC Converters
• Power Supplies for Portable Electronics
• LED Lighting Applications
• Point-of-Load (POL) Regulation
• Step-Up/Step-Down Converters

Features

• Shielded Construction: Minimizes Electromagnetic Interference (EMI).
• Composite Core Material: Ensures high saturation current and low core loss.
• Compact Size: Measures 4.5mm x 4.0mm x 2.8mm.
• Low DC Resistance (DCR): Improves efficiency.
• Operating Temperature Range: -40°C to +125°C.
• RoHS Compliant: Environmentally friendly.

Benefits

• Reduced EMI: Prevents interference with other components in the circuit.
• High Saturation Current: Maintains stable inductance under high current conditions.
• Small Footprint: Allows for more compact and efficient designs.
• Improved Efficiency: Minimizes power loss and heat generation.
• Wide Operating Temperature Range: Suitable for use in various environments.
• Environmentally Compliant: Meets environmental regulations.

Technical Specifications

The SCDS4D28T-4R7T-S-N has an inductance of 4.7 μH with a tolerance of ±30%. It has a saturation current of 2.0A and an Irms current of 1.7A. The typical DCR is 85 mΩ. This inductor is designed for surface mount assembly and is supplied in tape and reel packaging.

Its dimensions are 4.5mm (L) x 4.0mm (W) x 2.8mm (H). The self-resonant frequency (SRF) is typically around 65 MHz. The component is also halogen-free.